Last Minute Flights from Ontario

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Fare calendar for the next 30 days
Fare calendar for the next 30 days

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* Rates are in CAD and based on historical search data, subject to change. GoLastMinute is a travel comparison site and does not sell tickets. Prices and availability are provided by partners and may not be available for your departure city. $69+ CAD sample rate based on a roundtrip fare from SAN to PHX from 06/05/2026 - 06/08/2026, found on 05/24/2026 with Frontier Airlines for $63 CAD.

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Last Minute Flight Deals from Ontario to Anywhere

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
San Francisco
$164+
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Seattle
$219+
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Chicago
$252+
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Nashville
$254+
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Las Vegas
$305+
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Austin
$357+
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Dallas
$359+
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Phoenix
$369+
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Denver
$370+
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Miami
$387+
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Las Vegas
$415+
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El Paso
$420+
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Sacramento
$420+
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Charlotte
$426+
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Portland
$426+
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Oakland
$426+
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San Francisco
$97+
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Chicago
$252+
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Nashville
$263+
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Denver
$273+
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Las Vegas
$293+
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Salt Lake City
$307+
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Sacramento
$309+
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Seattle
$312+
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Santa Rosa
$336+
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San Antonio
$346+
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El Paso
$351+
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Austin
$355+
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Portland
$357+
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Dallas
$357+
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Las Vegas
$360+
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Phoenix
$361+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
San Francisco
$43+
Oct 15 – Oct 19
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Denver
$65+
Oct 13 – Oct 27
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Las Vegas
$68+
Oct 7 – Oct 30
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Phoenix
$112+
Oct 20 – Oct 22
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Seattle
$123+
Oct 8 – Oct 16
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Dallas
$126+
Oct 15 – Oct 31
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Atlanta
$157+
Oct 28 – Oct 31
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Nashville
$171+
Oct 20 – Oct 27
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Los Angeles
$174+
Oct 6 – Oct 12
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New York
$197+
Oct 19 – Oct 22
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Tampa
$199+
Oct 21 – Oct 24
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Orlando
$200+
Oct 21 – Oct 28
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Airports in and nearby Ontario

The most commonly used airport near to Ontario is Ontario International (ONT), which is 2.75 kilometers from the center of the city.

Where can I go from Ontario International (ONT)?

People search the most for flights from Ontario to Las Vegas, Seattle, and Phoenix.

How to find the cheapest flights from Ontario?

The GoLastMinute Canada Fare Calendar is a great tool to find the best prices.